Granted Patent
Utility
US 5,985,026 · App. 09/023,955
Seed crystal for producing monocrystals and method for producing SiC monocrystals or monocrystalline SiC layers
Inventors:
Johannes Volkl, Rene Stein
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Feb 17, 1998
Inventors
Johannes Volkl
Rene Stein
Assignee (at issue)
Siemens Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.